Market Value Adjustments  | Unrecognized Pension and  Postretirement  Medical  Expense  | Foreign Currency Translation and Other  | AOCI  | ||||||||||||||||
Investments  | Cash Flow Hedges (1)  | ||||||||||||||||||
Balance at Oct 2, 2010  | $  | 7  | $  | (102  | )  | $  | (1,866  | )  | $  | 80  | $  | (1,881  | )  | ||||||
Unrealized gains (losses) arising during the period  | 2  | (72  | )  | (915  | )  | (37  | )  | (1,022  | )  | ||||||||||
Reclassifications of realized net (gains) losses to net income  | (3  | )  | 120  | 156  | —  | 273  | |||||||||||||
Balance at Oct 1, 2011  | 6  | (54  | )  | (2,625  | )  | 43  | (2,630  | )  | |||||||||||
Unrealized gains (losses) arising during the period  | 4  | 38  | (829  | )  | (60  | )  | (847  | )  | |||||||||||
Reclassifications of realized net (gains) losses to net income  | (7  | )  | (36  | )  | 220  | 34  | 211  | ||||||||||||
Balance at Sept. 29, 2012  | 3  | (52  | )  | (3,234  | )  | 17  | (3,266  | )  | |||||||||||
Unrealized gains (losses) arising during the period  | 162  | 208  | 1,668  | (162  | )  | 1,876  | |||||||||||||
Reclassifications of realized net (gains) losses to net income  | (25  | )  | (73  | )  | 295  | 6  | 203  | ||||||||||||
Balance at Sept. 28, 2013  | $  | 140  | $  | 83  | $  | (1,271  | )  | $  | (139  | )  | $  | (1,187  | )  | ||||||